Storage-battery cell.



No. 645,640. Patented Mar. 20, I900. mu. CHAMBERLAIN.

' STORAGE BATTERY CELL.

(Application filed Aug. 25, 1899.)

(No Model.)

1m JD W I -W w 6. Q aka/5 rrm) STATES PATENT OFFICE.

RUFUS N. CHAMBERLAIN, OF DEPEW, NEW YORK, ASSIGNOR TO CHARLES A. GOULD,OF PORT CHESTER, NEW YORK.

STO RAG E-BATTERY CELL.

SPECIFICATION forming part of Letters Patent No. 645,640, dated March20, 1900.

' Application filed August 25,1899. Seth-1N0. 728,487. on model-l To allwhom it may concern:

Be it known that I, RUFUs N. CHAMBER- LAIN, a citizen of the UnitedStates, residing at Depew, in the county of Erie and. State of New York,have invented new and useful Improvements in Storage-'BatteryCells, ofwhich the following is a specification.

This invention relates to that class of cells for electric storagebatteries in which two or more adjoining cells are formed together or inone piece, the cavities of adjoining cells being separated by apartition. In such duplicate or multiple cells the moisture is liable toleak or creep from one cell-to the other along the under side of thecover or covers and over the top of the partition. When this occurs, aconnection is established between the cells by this film of moisture anda current passes from one cell to the other, whereby the cells aredischarged to a greater or less extent.

My invention has the object to prevent moisture from passing over thepartition between the cells.

In the accompanying drawings, Figure 1 is a vertical section of a duplexcell provided with my improvement. Fig; 2 is a top plan view of the samewith the covers removed.

Like letters of reference refer to like parts in both figures.

A represents the bottom, B the upright outer walls, C the partition, andD the covers, of a duplex cell or two adjoining cells formed in onepiece. The bottom, outer walls, and partition are formed of earthenwareor other suitable material, and the covers are preferably formed of Woodand provided on their under sides with a packing d, consisting ofsheet-rubber. The covers are secured to known means.

they are secured as follows: E represents bails arranged with theirlower horizontal portions in grooved or channeled cross-bars F, arrangedunder the bottom of the cells. These bails extendwith their uprightparts or legs on both sides of the cells upwardly beyond the covers andconnect at their upper ends by means of screw-nuts g with cross-bars H,which are placed upon the covers, so that by tightening these screw-nutsthe covers and their packing-sheets are tightly drawn against the openupper ends of the cells.

' 2' represents a groove, depression, or chan nel formed in the top ofthe partition, lengthwise of the latter. This groove intercepts anymoisture which may leak past the packing under the cover of either celland compels such moisture to descend into the groove before it can passover the partition into, the adjoining cell. The groove is made of suchdepth and width that the moisture which may reach the groove by leakagewill evaporate before the walls of the groove become so coated withmoisture that a connection is established between the cells. forms atrap which intercepts leakage, allows the same to evaporate, and soprevents the same from connecting the cells.

I claim as my invention-- A duplex or multiple cell having the partitionwhich separates adjoining cells provided in its top with a depression,forming a trap for intercepting moisture, substantially as set forth.

The groove thus Witness my hand this 24th day of July,

RUFUS N. CHAMBERLAIN.

Witnesses:

JNo. J. BONNER, ELLA R. DEAN.

